EP1541703A3 - Ferritic free-cutting stainless steel excellent in surface roughness and outgass resistance - Google Patents

Ferritic free-cutting stainless steel excellent in surface roughness and outgass resistance Download PDF

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Publication number
EP1541703A3
EP1541703A3 EP04105518A EP04105518A EP1541703A3 EP 1541703 A3 EP1541703 A3 EP 1541703A3 EP 04105518 A EP04105518 A EP 04105518A EP 04105518 A EP04105518 A EP 04105518A EP 1541703 A3 EP1541703 A3 EP 1541703A3
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EP
European Patent Office
Prior art keywords
less
represented
outgass
resistance
surface roughness
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP04105518A
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German (de)
French (fr)
Other versions
EP1541703A2 (en
Inventor
Koichi Ishikawa
Tetsuya Shimizu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daido Steel Co Ltd
Original Assignee
Daido Steel Co Ltd
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Filing date
Publication date
Application filed by Daido Steel Co Ltd filed Critical Daido Steel Co Ltd
Publication of EP1541703A2 publication Critical patent/EP1541703A2/en
Publication of EP1541703A3 publication Critical patent/EP1541703A3/en
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur

Abstract

A ferritic free-cutting stainless steel excellent in surface roughness and outgass resistance is disclosed which comprises in weight percentage, 0.06% or less of C, 0.05 to 1.0% of Si, 2.0% or less of Mn, 0.050% or less of P, 0.05 to 0.50% of S, 2.0% or less of Cu, 2.0% or less of Ni, 9.0 to 25.0% of Cr, 4.0% or less of Mo, 0.065 to 2.0% of Ti, 0.0150% or less of O, 0.020% or less of N, 0.001 to 0.100% of Al, and Fe and inevitable impurity in the rest portion, wherein the steel satisfies Equations (1) and (2) of the equations, [Ti]≧ 1.3 × [S]
Figure imga0001
 [Mn]/[Ti] ≦ 3
Figure imga0002
 (WTi+WCr) > 2 × WMn where the amount of Ti contained in the steel is represented by [Ti], that of S is represented by [S] and that of Mn is represented by [Mn], and wherein the steel satisfies Equation (3) where the amount of Ti contained in sulfide produced in the texture of the steel is represented by WTi, that of Cr is represented by WCr and that of Mn is represented by WMn.
EP04105518A 2003-11-10 2004-11-04 Ferritic free-cutting stainless steel excellent in surface roughness and outgass resistance Withdrawn EP1541703A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003379633A JP4305137B2 (en) 2003-11-10 2003-11-10 Ferritic free-cutting stainless steel with excellent surface finish roughness and outgas resistance
JP2003379633 2003-11-10

Publications (2)

Publication Number Publication Date
EP1541703A2 EP1541703A2 (en) 2005-06-15
EP1541703A3 true EP1541703A3 (en) 2008-07-09

Family

ID=34510420

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04105518A Withdrawn EP1541703A3 (en) 2003-11-10 2004-11-04 Ferritic free-cutting stainless steel excellent in surface roughness and outgass resistance

Country Status (4)

Country Link
US (1) US20050098240A1 (en)
EP (1) EP1541703A3 (en)
JP (1) JP4305137B2 (en)
CN (1) CN1616701A (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006226523A (en) * 2005-01-20 2006-08-31 Nippon Densan Corp Fluid dynamic pressure bearing device and spindle motor
JP4770437B2 (en) * 2005-10-14 2011-09-14 大同特殊鋼株式会社 Ferritic free-cutting stainless steel
KR20070067325A (en) * 2005-12-23 2007-06-28 주식회사 포스코 A method of manufacturing a ferritic stainless steel for improving ridging resistance
US20070166183A1 (en) * 2006-01-18 2007-07-19 Crs Holdings Inc. Corrosion-Resistant, Free-Machining, Magnetic Stainless Steel
CN100385032C (en) * 2006-02-17 2008-04-30 山西太钢不锈钢股份有限公司 Middle content chromium copper, iron-containing antiseptic anticreas rustless steel sheet belt and its production method
DE102008048050A1 (en) 2007-09-19 2009-04-16 Daido Tokushuko K.K., Nagoya Easily cutting ferritic stainless steel has manganese that forms sulphide in zirconium-series sulphide replaced by zirconium
JP5501795B2 (en) * 2010-02-24 2014-05-28 新日鐵住金ステンレス株式会社 Low-chromium stainless steel with excellent corrosion resistance in welds
US9598750B2 (en) 2010-10-26 2017-03-21 Korea Atomic Energy Research Institute High Cr ferritic/martensitic steels having an improved creep resistance for in-core component materials in nuclear reactor, and preparation method thereof
JP5645696B2 (en) * 2011-02-10 2014-12-24 日鉄住金テックスエンジ株式会社 VACUUM DEVICE MEMBER AND VACUUM DEVICE MANUFACTURING METHOD
JP6120303B2 (en) * 2011-11-11 2017-04-26 山陽特殊製鋼株式会社 Free-cutting stainless steel with double-phase inclusions
CN104480409B (en) * 2014-12-10 2017-05-03 无锡鑫常钢管有限责任公司 06Cr17Ni12Mo2Ti austenitic stainless steel pipe and production process thereof
CN108531824A (en) * 2016-08-16 2018-09-14 刘可 A kind of application of minute spherical ferritic stainless steel powder
CN108660375A (en) * 2016-08-16 2018-10-16 刘可 A kind of application of metal powder material in 3D printing
CN107058906B (en) * 2017-02-21 2018-11-16 山西太钢不锈钢股份有限公司 Stainless steel, ball pen head STAINLESS STEEL WIRE and preparation method thereof
CN107475492B (en) * 2017-07-20 2019-02-22 首钢集团有限公司 A kind of heating means of control automatic steel surface high-temp vulcanization defect
CN107747022A (en) * 2017-11-24 2018-03-02 苏州双金实业有限公司 A kind of stainless steel with free cutting property
WO2021129836A1 (en) * 2019-12-26 2021-07-01 华新丽华股份有限公司 Corrosion-resistant free-cutting steel
JP7370396B2 (en) * 2020-01-15 2023-10-27 日鉄ステンレス株式会社 Ferritic stainless steel
CN111270164B (en) * 2020-01-23 2021-04-20 清华大学 Interphase precipitation strengthened low-activation ferritic steel and preparation method thereof
CN111850407B (en) * 2020-07-29 2021-10-08 成都先进金属材料产业技术研究院有限公司 850 MPa-grade titanium-containing free-cutting stainless steel forged bar and preparation method thereof
CN112795848B (en) * 2021-03-22 2021-06-25 北京科技大学 Free-cutting corrosion-resistant steel and preparation method thereof
CN113684420B (en) * 2021-08-17 2022-06-24 浙江青山钢铁有限公司 Calcium-tellurium-rare earth composite treated super free-cutting stainless steel and preparation method thereof
CN115466908A (en) * 2022-09-29 2022-12-13 浙江青山钢铁有限公司 Selenium-containing calcium-containing free-cutting stainless steel and preparation method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10130794A (en) * 1996-10-24 1998-05-19 Daido Steel Co Ltd Free cutting ferritic stainless steel with high strength
JPH10237603A (en) * 1997-02-20 1998-09-08 Daido Steel Co Ltd Free cutting ferritic stainless steel excellent in corrosion resistance
JP2000008145A (en) * 1998-06-25 2000-01-11 Sumitomo Metal Ind Ltd Ferritic stainless steel excellent in antifungal property and its production
US6033625A (en) * 1997-11-12 2000-03-07 Diado Steel Co., Ltd. Parts of electronic devices made of ferritic free cutting stainless steel
JP2001011582A (en) * 1999-06-29 2001-01-16 Nippon Steel Corp Ferritic stainless steel excellent in workability and corrosion resistance and production of its thin steel sheet
US20020170638A1 (en) * 1999-07-26 2002-11-21 Tetsuya Shimizu Stainless steel parts with suppressed release of sulfide gas and method of producing

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2123470C (en) * 1993-05-19 2001-07-03 Yoshihiro Yazawa Ferritic stainless steel exhibiting excellent atmospheric corrosion resistance and crevice corrosion resistance
JP3736721B2 (en) * 1998-11-11 2006-01-18 山陽特殊製鋼株式会社 High corrosion resistance free-cutting stainless steel
JP3425124B2 (en) * 2000-07-21 2003-07-07 清仁 石田 Ferritic free-cutting stainless steel
JP3638828B2 (en) * 1999-09-29 2005-04-13 山陽特殊製鋼株式会社 High corrosion-resistant free-cutting stainless steel with excellent surface finish
JP2003221654A (en) * 2002-01-31 2003-08-08 Daido Steel Co Ltd Free-cutting stainless steel

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10130794A (en) * 1996-10-24 1998-05-19 Daido Steel Co Ltd Free cutting ferritic stainless steel with high strength
JPH10237603A (en) * 1997-02-20 1998-09-08 Daido Steel Co Ltd Free cutting ferritic stainless steel excellent in corrosion resistance
US6033625A (en) * 1997-11-12 2000-03-07 Diado Steel Co., Ltd. Parts of electronic devices made of ferritic free cutting stainless steel
JP2000008145A (en) * 1998-06-25 2000-01-11 Sumitomo Metal Ind Ltd Ferritic stainless steel excellent in antifungal property and its production
JP2001011582A (en) * 1999-06-29 2001-01-16 Nippon Steel Corp Ferritic stainless steel excellent in workability and corrosion resistance and production of its thin steel sheet
US20020170638A1 (en) * 1999-07-26 2002-11-21 Tetsuya Shimizu Stainless steel parts with suppressed release of sulfide gas and method of producing

Also Published As

Publication number Publication date
JP2005139531A (en) 2005-06-02
JP4305137B2 (en) 2009-07-29
CN1616701A (en) 2005-05-18
EP1541703A2 (en) 2005-06-15
US20050098240A1 (en) 2005-05-12

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